Home / 10,201.09-15,302.18-2,805.39

Finding the Fourth Proportional to 10,201.09, 15,302.18 and 2,805.39

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Solution

The fourth proportional to 10,201.09, 15,302.18 and 2,805.39 is: 4,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.09 : 15,302.18 = 2,805.39 : x
  2. Step 2: Convert to fraction form
    10,201.09/15,302.18 = 2,805.39/x
  3. Step 3: Cross multiply
    10,201.09x = 15,302.18 × 2,805.39
  4. Step 4: Simplify right side
    10,201.09x = 42,928,582.75
  5. Step 5: Solve for x
    x = 42,928,582.75/10,201.09
  6. Step 6: Final answer
    x = 4,208.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.